Home / 11,300.64-15,593.80-6,521.40

Finding the Fourth Proportional to 11,300.64, 15,593.80 and 6,521.40

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Solution

The fourth proportional to 11,300.64, 15,593.80 and 6,521.40 is: 8,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.64 : 15,593.80 = 6,521.40 : x
  2. Step 2: Convert to fraction form
    11,300.64/15,593.80 = 6,521.40/x
  3. Step 3: Cross multiply
    11,300.64x = 15,593.80 × 6,521.40
  4. Step 4: Simplify right side
    11,300.64x = 101,693,407.32
  5. Step 5: Solve for x
    x = 101,693,407.32/11,300.64
  6. Step 6: Final answer
    x = 8,998.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.